Add YOLO11 TensorRT quantization benchmark scripts

- Engine build scripts (FP16/INT8)
- Benchmark validation scripts
- Result parsing and analysis tools
- COCO dataset configuration

build_engine.bat

@@ -0,0 +1,67 @@
+@echo off
+chcp 65001 >nul
+echo ============================================
+echo YOLO INT8 TensorRT Engine Builder
+echo ============================================
+echo.
+
+REM 激活虚拟环境
+echo Activating yolo virtual environment...
+call conda activate yolo
+echo.
+
+REM 检查ONNX模型
+if not exist yolo11n.onnx (
+    echo ERROR: yolo11n.onnx not found!
+    echo Please export the ONNX model first.
+    pause
+    exit /b 1
+)
+
+REM 检查校准缓存
+if not exist yolo11n_int8.cache (
+    echo ERROR: yolo11n_int8.cache not found!
+    echo Please run calibration_gen.py first to generate the calibration cache.
+    pause
+    exit /b 1
+)
+
+echo Building TensorRT Engine with INT8 calibration...
+echo ONNX: yolo11n.onnx
+echo Engine: yolo11n_int8_b1_8.engine
+echo Cache: yolo11n_int8.cache
+echo.
+
+trtexec ^
+   --onnx=yolo11n.onnx ^
+   --saveEngine=yolo11n_int8_b1_8.engine ^
+   --explicitBatch ^
+   --int8 ^
+   --fp16 ^
+   --workspace=4096 ^
+   --builderOptimizationLevel=5 ^
+   --profilingVerbosity=detailed ^
+   --calib=yolo11n_int8.cache ^
+   --minShapes=input:1x3x480x640 ^
+   --optShapes=input:4x3x640x640 ^
+   --maxShapes=input:8x3x640x736 ^
+   --useCudaGraph ^
+   --useSpinWait ^
+   --noTF32
+
+if %errorlevel% equ 0 (
+    echo.
+    echo ============================================
+    echo Engine built successfully!
+    echo Output: yolo11n_int8_b1_8.engine
+    echo ============================================
+) else (
+    echo.
+    echo ============================================
+    echo Engine build failed!
+    echo ============================================
+    pause
+    exit /b 1
+)
+
+pause